
CROSS_COMPILE = 
AS		= $(CROSS_COMPILE)as
LD		= $(CROSS_COMPILE)ld
CC		= $(CROSS_COMPILE)gcc
CPP		= $(CC) -E
AR		= $(CROSS_COMPILE)ar
NM		= $(CROSS_COMPILE)nm

STRIP		= $(CROSS_COMPILE)strip
OBJCOPY		= $(CROSS_COMPILE)objcopy
OBJDUMP		= $(CROSS_COMPILE)objdump

export AS LD CC CPP AR NM
export STRIP OBJCOPY OBJDUMP


CFLAGS := -Wall -O2 -g 
CFLAGS += -I /usr/local/include/
CFLAGS += -I /usr/local/include/libavutil
CFLAGS += -I /usr/local/include/libavcodec
CFLAGS += -I /usr/local/include/libdrm
CFLAGS += -I /usr/local/include/rockchip
CFLAGS += -I /usr/local/include/SDL2
CFLAGS += -I /usr/include/


#make install 安装的 libavxxx.pc 文件移到默认pkg-config 目录中。
#make install   libavxxxx.pc 文件 在/usr/local/lib/pkgconfig  
#cp /usr/local/lib/pkgconfig/*  /usr/share/pkgconfig/ 拷贝。




LDFLAGS := -ldl -lm -lavformat -lavcodec -lswresample -lavutil -lavdevice -lswscale -lavfilter  -ldrm_rockchip -lrockchip_mpp -ldrm -lpthread -lSDL2
LDFLAGS += -L /usr/local/lib


export CFLAGS LDFLAGS

TOPDIR := $(shell pwd)
export TOPDIR

TARGET := drm_atomic

obj-y +=  drm_atomic.o 


all : start_recursive_build $(TARGET)
	@echo $(TARGET) has been built!

start_recursive_build:
	make -C ./ -f $(TOPDIR)/Makefile.build

$(TARGET) : built-in.o
	$(CC)  -o $(TARGET) built-in.o $(LDFLAGS)

clean:
	rm -f $(shell find -name "*.o")
	rm -f $(TARGET)

distclean:
	rm -f $(shell find -name "*.o")
	rm -f $(shell find -name "*.d")
	rm -f $(TARGET)
	